First of all, this classmate is very happy for you. Your experience makes you more aware of what human aesthetics is, of course, limited to the appearance level. Because people only see your appearance, but don't know your heart, so they should close themselves for you. This is exactly the change in your behavior after your self-esteem has been hit. And through your description, just description, I see you who care about your appearance very much, which may have a lot to do with your own situation. And this kind of care is also the golden stage of love in college. Many girls in high school are looking forward to the vigorous love in college. It makes high school study hard all night, so you don't focus on realizing your dreams and meeting your parents' expectations.

But after going to college, your focus has changed, but the actual situation is not what you think, which is why you are now in the shadow. But it's a good thing you're still trying to get out of the shadows

The above is just my analysis after reading your description. If the analysis is correct, you can continue to look down. If it's wrong, don't look. The right medicine is the best prescription.

1. You lack self-confidence now, which is extremely lacking. And quite inferior. Makes you autistic, makes you a little extreme. The source of self-distrust is that you are fat, which also leads to a series of problems.

So the key is self-confidence, the key is to lose weight? The result obtained in this way is obviously wrong.

You have a heart attack, not physical discomfort. Don't worry about being fat. Teach you a few tricks: reduce the time of watching TV, reduce the time I sit in front of the computer, help my mother cook more at home, clean the dormitory when the school is free, reduce the time of living alone, and increase the time with my classmates and friends. Even if you don't say anything, it will drive your heart. You didn't pay what you got in return. Restrain your diet properly and don't be alone. I think it is better to exercise together than to run alone on the playground.